20980608

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{4967}}^1$

素因数の和:4995

約数の個数: 64

約数和(自身を含む): 60808320

約数和(自身を除く): 39827712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 4967, 9934, 14901, 19868, 29802, 39736, 54637, 59604, 79472, 109274, 119208, 158944, 163911, 218548, 238416, 317888, 327822, 437096, 476832, 635776, 655644, 874192, 953664, 1311288, 1748384, 1907328, 2622576, 3496768, 5245152, 6993536, 10490304, 20980608]

約数ペア:

[(1, 20980608), (2, 10490304), (3, 6993536), (4, 5245152), (6, 3496768), (8, 2622576), (11, 1907328), (12, 1748384), (16, 1311288), (22, 953664), (24, 874192), (32, 655644), (33, 635776), (44, 476832), (48, 437096), (64, 327822), (66, 317888), (88, 238416), (96, 218548), (128, 163911), (132, 158944), (176, 119208), (192, 109274), (264, 79472), (352, 59604), (384, 54637), (528, 39736), (704, 29802), (1056, 19868), (1408, 14901), (2112, 9934), (4224, 4967)]